#pragma once
#include "List.h"
#include "Donthuc.h"
#include <string>

using namespace std;

class Dathuc
{
private:
	List donthuc;

	void Deletespace(string&);
public:
	Dathuc();
	Dathuc(const Dathuc &);
	Dathuc(string);
	~Dathuc();

	int Sodonthuc() { return donthuc.size(); };
	void Rutgon();
	void Add(Donthuc);
	string ToString();
	void Sort();
	Dathuc operator +(Dathuc);
	Dathuc operator *(Dathuc);
};

